164528178312 has 32 divisors (see below), whose sum is σ = 435515767200. Its totient is φ = 51616683264.

The previous prime is 164528178293. The next prime is 164528178319. The reversal of 164528178312 is 213871825461.

It is not an unprimeable number, because it can be changed into a prime (164528178319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201627262 + ... + 201628077.

It is an arithmetic number, because the mean of its divisors is an integer number (13609867725).

Almost surely, 2^164528178312 is an apocalyptic number.

164528178312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164528178312 is an abundant number, since it is smaller than the sum of its proper divisors (270987588888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164528178312 is a wasteful number, since it uses less digits than its factorization.

164528178312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403255365 (or 403255361 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The spelling of 164528178312 in words is "one hundred sixty-four billion, five hundred twenty-eight million, one hundred seventy-eight thousand, three hundred twelve".